October 2018 1 25 Report
Klepsydra o wysokości 40 cm składa się z dwóch identycznych stożków o średnicy podstawy 16 cm. Jaki maksymalny czas może odmierzyć ta klepsydra, jeżeli piasek przesypuję się z prędkością 2,5 cm 3 na minutę? Wysokość walca jest 3 razy dłuższa od podstawy. Pole powierzchni całkowitej tego walca (cm2) wyraża się taką samą liczbą co jego objętość (cm3). Czy objętość tego walca jest większa od objętości zwykłej szklanki? Prostokąt o bokach długości 3√2 i 8 cm obraca się wzdłuż osi zawierającej krótszy z boków.
Oblicz objętość powstałej bryły obrotowej. Powierzchnia boczna stożka jest wycinkiem koła o kącie środkowym równym 120 o i promieniu równym 5 cm. Oblicz promień podstawy tego stożka
More Questions From This User See All

1 Complete the text. Use the correct form of the present perfect simple or past simple.1…………… you …………… (ever / dream) of being a film star? Leonardo DiCaprio was only five years old when he 2………….…(star) in his first TV show, and just thirteen when he 3……………… (appear) in his first film. Since then he 4……………… (not stop) working. He 5……………… (be) in over fifteen films and he 6……………… (work) with stars such as Robert De Niro and Johnny Depp. Leonardo 7……………… (be) born in Los Angeles in 1974. After appearing in TV shows,he 8……………… (get) his first film role in Critters 3, then he starred in Romeo and Juliet.But it 9……………… (not be) until Titanic that he 10……………… (become) a world-famous-teen idol. It was then that Leonardo11……………… (begin) to appear on magazine covers around the world. Since Titanic, Leonardo 12……………… (be) very busy. He 13……………… (already / make) three more films and 14…………… (just / start) work on another.2 Write questions about Leonardo. Use the present perfect simple or past simple.1 How old / when / first appear / on TV? ………………………………………………2 ever / meet / Robert De Niro? ………………………………………………3 How long / be / an actor? ………………………………………………4 famous / before Titanic? ………………………………………………5 How many / films / make / since Titanic? ………………………………………………3.Complete the interview. Use the correct form of the present perfect simple or past simple.The Olympic Games are only a month away, and long jumper Ian Anderson could win a gold medal for Britain!Interviewer: Ian, I understand you’re competing in the Olympic Games next month?Ian: that’s right. I can’t wait!Interviewer: And when 1…….. you …… (find out) that you were In the team?Ian: A the European Championships last year.Interviewer: How….. you….. ( feel) ?Ian :Fantastic. I ……..( never/ compete) in the Olympic Games before.Interviewer: So when ……. You………. (start) long jumping?Ian: I……….. (start) at school. That ……….. (be) ten year ago.Interviewer:….. you……(win) many medals?Ian: Quite a lot, but I …….( never/win) an Olympic medal.4. Choose the correct tenses.Mandy leavesFiveMandy Garland has announced that she is leaving the girl band Face. the announcement has surprised/ surprised and saddened fans across the country.Mandy has joined/ joined Five in 1997. Since then the group has performed/ performed all over the world. Mandy says she has enjoyed/ enjoyed her time with the band, but needs a change.Five have had/ had their first hit single three tears ago. Their first album, Nowhere, has reached/ reached number 1 in the charts and has sold/ sold over 100,000 copies. Since 1998 they have released/ released two more albums, although neither have been/ were as successful as Nowhere. At a press conference last night, Mandy has told/told reporters that she wants to starts a solo career. She has signed/ singed a contract last week with Virgin records, and is currently working on a solo album.
Answer

Recommend Questions



Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

Get in touch

Social

© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.